https://dev.z31library.com/index.php?action=history&feed=atom&title=Forums%2FZ31P%2Fz31-repairs-forums_engine-mechanical%2FOpen_vs_closed_loop 2026-08-15T19:04:09Z Revision history for this page on the wiki MediaWiki 1.43.8 https://dev.z31library.com/index.php?title=Forums/Z31P/z31-repairs-forums_engine-mechanical/Open_vs_closed_loop&diff=6229&oldid=prev 2026-05-15T05:18:00Z

<p>Forum archive import (z31performance)</p> <p><b>New page</b></p><div>{{ForumImport<br /> |op_user=bacon<br /> |op_date=2019-08-27 15:48:24<br /> |post_count=2<br /> |archive_url=/Z31performance_archive/forum/z31-repairs-forums/engine-mechanical/544245-open-vs-closed-loop.html<br /> }}<br /> <br /> &#039;&#039;&#039;bacon:&#039;&#039;&#039; &lt;small&gt;(2019-08-27 15:48:24)&lt;/small&gt;<br /> <br /> Sorry everybody. Ignore my post. I was doing the test wrong; It must be done at 2,000 rpm, not at idle speed.<br /> <br /> ----<br /> &#039;&#039;&#039;dbruce:&#039;&#039;&#039; &lt;small&gt;(2019-08-27 16:29:02)&lt;/small&gt;<br /> <br /> I remember something about the ecu&#039;s being in diagnostic mode for the blinking ? turning the screw to get in diag mode ? I am probably wrong ..</div>

z31p_Bacon